Sony MZ-R37 specifications

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MZ-R37

6-8. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) — • Refer to page 44 for IC Block Diagrams.

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Note:

All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

All resistors are in Ω and 1/4 W or less unless otherwise specified.

% : indicates tolerance.

C : panel designation.

A : B+ Line.

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• Power voltage is dc 4.5 V and fed with regulated dc power

• Signal path.

supply from external power voltage jack.

F : PB (analog)

• Voltage is dc with respect to ground under no-signal

L : REC (analog)

condition.

 

J : PB (digital)

no mark : PB

 

c : REC (digital)

(

) : REC

 

 

Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc- tion tolerances.

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Contents MZ-R37 SpecificationsBattery operation time1 Flexible Circuit Board RepairingServicing Note General Test Mode Setting Section SELF-DIAGNOSTICOperation in Test Mode Setting Releasing the Test ModeDescription of Error Indication Codes Clearing the Error Indication Code and Total Recording TimeProblem Indication code Meaning of code Description Description of History Codes History code numberPanel SV ASSY, Front Section DisassemblyPANEL, Bottom LCD Module ConnectorPanel SV ASSY, Upper Main BoardOP Block Assy Cabinet SV AssyHolder Assy Manual Mode Test ModeTest Mode Structure Audio Mode How to Transfer in the Audio Mode System Gain ModeHow to Check in the Mechanism Mode How to Adjust in the Audio ModeHow to Check in the Audio Mode Power Mode Mode No Test Description Indication value Remark Overall Adjustment Mode Assy ModeHow to Adjust in Assy Mode How to Check in the Power ModeMode No Adjustment Description Hybrid MODE, KEY Check ModeMO Automatic Adjustment Precautions for Adjustment Section Electrical AdjustmentsLaser Power Check MO Traverse AdjustmentLOW Reflection CD Traverse Adjustment RF waveform CD RF Level CheckIC PIN Descriptions Section DiagramsFili AvssFilo XlrfSDI2 ClkcsSDO2 SCK2KEY3 LCD ResetKEY2 KEY1MZ-R37 Block Diagram Servo SectionControl B Keyrmc Block Diagram System Control SectionAudio SectionSemiconductor Location Printed Wiring BoardWaveforms IC801 $¼ MZ-R37 IC303 AN7535SA-E1 IC Block Diagrams IC301 AK4517-VQ-LIC304 IC802 8110ANP-DSB-T2IC803 AK6420AM-E IC761 BA6966FV-E2IC901 MPC18A35FTA Panel Section Section Exploded ViewsCabinet SV Assy Section 59 4-216-592-01 Terminal A, Battery DetectionMotor Block ASSY, Sled Sled Mechanism Deck Section MT-MZR37-161MOTOR, DC Loading Main Electrical Parts ListSection Diode TantalumElect Chip RN5RZ25AA-TR Metal ChipCXA2523AR CXD2652ARDescription Remark R202 218-875-11 SWITCH, Slide Synchro REC SwitchSWITCH, KEY Board Display Accessories & Packing MaterialsADAPTOR, Conversion 2P Accessories & Packing MaterialsADAPTOR, AC AC-E455A Corrections Table of Contents Printed Wiring BoardSchematic Diagram Side a Printed Wiring Board Except US ModelMain Board Printed Wiring Board US Model Location SemiconductorMZ-R37 IC801 r Schematic Diagram Main /3MZ-R37 Electrical Parts List CAP-CHIP JFJ7001 Line in Optical Diode MA8140-M-TXJack PHONES/REMOTE Transistor XP4313-TX.SORES-CHIP Filter FILTER, Chip EMI Common ModeNetwork Resistor OP Service Assy Electrical Parts LIST/MISCELLANEOUS Incorrect CorrectIncorrect Correct Head ASSY, OP